Born in Haiti, he earned ten caps, scoring two goals, with the United States national team in 1984 and 1985.
In the fall of 1969, his mother had saved enough money to move the family to the U.S. and on December 12, 1969, LaDouceur landed at Kennedy Airport in New York City.
[3] In 1984, he returned to the U.S. where he signed with the San Diego Sockers of Major Indoor Soccer League (MISL).
LaDouceur moved to the Chicago Power of the National Professional Soccer League to finish their 1992 - 1993 season.
[5] In 1988, he spent the summer outdoor season with the San Jose Earthquakes in the Western Soccer Alliance.